Synthesis, spectral characterization, CC coupling, oxidation reactions and antibacterial activities of new ruthenium(III) Schiff base complexes

Abstract

AbstractA new series of hexa‐coordinated stable Ru(III) Schiff base complexes of the type [RuX(EPh3)(L)] (where X = Cl/Br; E = P/As; L = tetradentate N2O2 donor Schiff ligands) have been synthesized and characterized by elemental analysis, magnetic susceptibility measurement, FT‐IR, UV–vis, 13C{1H}‐NMR, ESR spectra, electrochemical and powder X‐ray diffraction pattern studies. The selective oxidation of alcohols to their corresponding carbonyl compounds occurred in the presence of N‐methylmorpholin‐N‐oxide (NMO), H2O2 and O2 atmosphere at ambient temperature as co‐oxidants and CC coupling reactions. Further, these new Schiff base ligands and their Ru(III) complexes were also screened for their antibacterial activity against K. pneumoniae, Shigella sp., M. luteus, E. coli and S. typhi. Copyright © 2010 John Wiley & Sons, Ltd.